2007 BMW X5 vs. 2008 Porsche Cayman
To start off, 2008 Porsche Cayman is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW X5. In addition, the cost of maintenance, including insurance, on 2007 BMW X5 would be higher. At 3,386 cc (6 cylinders), 2008 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2008 Porsche Cayman (291 HP @ 6250 RPM) has 31 more horse power than 2007 BMW X5. (260 HP @ 6600 RPM) In normal driving conditions, 2008 Porsche Cayman should accelerate faster than 2007 BMW X5.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Porsche Cayman. In wet, icy, snow, or gravel driving conditions, 2007 BMW X5 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2008 Porsche Cayman (340 Nm @ 4400 RPM) has 35 more torque (in Nm) than 2007 BMW X5. (305 Nm @ 2750 RPM). This means 2008 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X5. 2007 BMW X5 has automatic transmission and 2008 Porsche Cayman has manual transmission. 2008 Porsche Cayman will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW X5 | 2008 Porsche Cayman | |
| Make | BMW | Porsche |
| Model | X5 | Cayman |
| Year Released | 2007 | 2008 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2996 cc | 3386 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 291 HP |
| Engine RPM | 6600 RPM | 6250 RPM |
| Torque | 305 Nm | 340 Nm |
| Torque RPM | 2750 RPM | 4400 RPM |
| Engine Bore Size | 85 mm | 96 mm |
| Engine Stroke Size | 88 mm | 78 mm |
| Engine Compression Ratio | 10.7:1 | 11.1:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4860 mm | 4350 mm |
| Vehicle Width | 1940 mm | 1810 mm |
| Vehicle Height | 1770 mm | 1310 mm |
| Wheelbase Size | 2940 mm | 2420 mm |
| Fuel Consumption Overall | 12.4 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 85 L | 64 L |
